[kwlug-disc] Two routers with the same WiFi SSID

[Jason Eckert]

That's just an ESSID (an SSID shared by several WAPs that participate in
the same wireless LAN).
Each WAP has their own BSA (basic service area, or wireless range) that
should overlap slightly with other WAPs to allow for seamless
roaming/handoff.
But nearly every corporate WAP made in the last decade does auto channel
switching to ensure that interference doesn't happen on the 2.4 and 5GHz
ranges, so you don't need to manually configure it at all.  But if your WAP
doesn't support an ESSID, I imagine that having separate channels is sage
advice if you want to use the same SSID on 2 different devices (probably no
seamless roaming though).

On Thu, May 13, 2021 at 10:08 PM Khalid Baheyeldin <kb at 2bits.com> wrote:

> For a few years, I have been running two WiFi routers, each with its own
> SSID.
> One router is the actual gateway to the internet, connected to the cable
> modem.
>
> The other one has DHCP disabled, so that the main router serves IP
> addresses to the devices by MAC address.
>
> It seems that I can unify both routers under one SSID, just like hotels,
> conference centres, and other places that do that.
>
> However, this article (from 2010) says to put each router on a different
> channel.
>
>
> https://www.hanselman.com/blog/configuring-two-wireless-routers-with-one-ssid-network-name-at-home-for-free-roaming
>
> Those were the Wireless-N days. Now with Wireless AC, does that rule apply?
>
> Can I just use 'auto' in OpenWRT and let the router worry about the
> channels?
>
> Thanks.
> --
> Khalid M. Baheyeldin
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